<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    const socket = new WebSocket("ws://localhost:8080/websocket/102");
    socket.onopen = (ws) => {
        console.log("建立连接", ws);
    }
    socket.onmessage = (ws) =>{
        console.log("接收到消息 >> ",ws.data);
    }
    socket.onclose = (ws) =>{
        console.log("连接已断开！", ws);
    }
    socket.onerror = (ws) => {
        console.log("发送错误！", ws);
    }

    // 2秒后向服务端发送消息
    setTimeout(()=>{
        socket.send("发送一条消息试试");
    },2000);

    // 5秒后断开连接
    setTimeout(()=>{
        socket.close();
    },5000);

</script>
</body>
</html>